44770401 has 80 divisors (see below), whose sum is σ = 79401168. Its totient is φ = 24883200.

The previous prime is 44770393. The next prime is 44770409. The reversal of 44770401 is 10407744.

It is an interprime number because it is at equal distance from previous prime (44770393) and next prime (44770409).

It can be written as a sum of positive squares in 8 ways, for example, as 15610401 + 29160000 = 3951^2 + 5400^2 .

It is not a de Polignac number, because 44770401 - 2³ = 44770393 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (44770409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 733911 + ... + 733971.

Almost surely, 2^44770401 is an apocalyptic number.

44770401 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44770401 is a deficient number, since it is larger than the sum of its proper divisors (34630767).

44770401 is a wasteful number, since it uses less digits than its factorization.

44770401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 44770401 is about 6691.0687487127. The cubic root of 44770401 is about 355.0833659930.

The spelling of 44770401 in words is "forty-four million, seven hundred seventy thousand, four hundred one".